1 #ifndef __PROM_H 2 #define __PROM_H 3 4 #include <linux/spinlock.h> 5 #include <asm/prom.h> 6 7 extern struct device_node *allnodes; /* temporary while merging */ 8 extern rwlock_t devtree_lock; /* temporary while merging */ 9 10 extern void * prom_early_alloc(unsigned long size); 11 extern void irq_trans_init(struct device_node *dp); 12 13 extern unsigned int prom_unique_id; 14 is_root_node(const struct device_node * dp)15static inline int is_root_node(const struct device_node *dp) 16 { 17 if (!dp) 18 return 0; 19 20 return (dp->parent == NULL); 21 } 22 23 extern char *build_path_component(struct device_node *dp); 24 extern void of_console_init(void); 25 extern void of_fill_in_cpu_data(void); 26 27 extern unsigned int prom_early_allocated; 28 29 #endif /* __PROM_H */ 30